Middle sealing machine (also called back sealing machine) is one of the automatic bag-making machine for soft packing laminated bag, which is used for automatic hto-press sealing of center joint of t-shaped bag and angle bag. This machine adopts stepless speed change and silicon controlled constant temperature with firm and reliable sealing.

Main techmical parameters of bag making machine:
Width of middle sealing 250mm
Speed of middle sealing 40m/min
Electrothermal temperatrure 80-180C
Power 220V
Power of electrothermal 4.1kw
Overall dimensions 2900X950X1180mm
Weight 390kg